Re: [hylafax-users] Limiting concurrent calls via DID?

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

newsgroup wrote:

> I am wondering if it is possible to limit the number of concurrent 
> calls placed to a single DID?
>
> I have an Eicon PRI fax card, so I have 23 lines of fax available. If 
> I want to give a certian fax number two lines, and no more than two 
> lines, can I limit that someway with the DID ( DAD: ) information?
>
> Right now, we're doing an ugly method of setting individual TTYs to 
> listen to a specific number. That only works well if you have less 
> than 23 DIDs that you care about. Until recently, that was the case. 
> Now we have more than 23 DIDs, some of which only need 1 line 
> available, some need more than 1 (if it is available)... So, we're 
> trying to figure out a way to limit based on that info. I'm pretty 
> sure I could use some part of the dynamic config to do this, but I 
> didn't want to write a daemon or some other app to check for 
> concurrency if someone else had already done it, or if there is a 
> mechanism within Hylafax designed for this already.


There is no mechanism in HylaFAX already for this kind of thing.  You 
easily could do it with DynamicConfig and HylaFAX+'s extended "faxstat" 
display capability.  (Just call faxstat from DynamicConfig, check to see 
how many DID:some_number lines you already have going, and use 
RejectCall accordingly.)

> Also, I've looked through the handbook and searched the archives, but 
> I'm not finding alot of information about routing faxes based on the 
> DID (DAD) info either. Currently, with each TTY bound to a specific 
> number, it was easy to just set each faxgetty to a different 
> directory. How do I do this with the DID info?


You route based on $CALLIDn (where "n" is a number based on the 
placement of the matching CallIDPattern found in your modem config file) 
instead of $DEVICE in your FaxDispatch file.  There is a small snippit 
of information on it here:

 http://hylafax.sourceforge.net/howto/tweaking.php#ss6.10

More here:

 http://hylafax.sourceforge.net/man/faxrcvd.php

Lee.

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